CN115339979A - Standby power system for elevator maintenance - Google Patents
Standby power system for elevator maintenance Download PDFInfo
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- CN115339979A CN115339979A CN202211042276.7A CN202211042276A CN115339979A CN 115339979 A CN115339979 A CN 115339979A CN 202211042276 A CN202211042276 A CN 202211042276A CN 115339979 A CN115339979 A CN 115339979A
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- elevator
- connecting plate
- power
- steel strand
- plate
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- 238000012423 maintenance Methods 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims abstract description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 description 10
- 238000004804 winding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0035—Arrangement of driving gear, e.g. location or support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0065—Roping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The utility model relates to a reserve power system is used in elevator maintenance, belong to the technical field of elevator maintenance, it includes the mounting bracket, the power board, connecting plate and drive mechanism, the mounting bracket is fixed in on the elevartor shaft roof, the power board is installed on the mounting bracket, drive mechanism installs on the power board, drive mechanism includes elevator motor and steel strand wires, elevator motor axis of rotation terminal surface is fixed with the rolling disc, the steel strand wires are installed on elevator motor's rolling disc and are worn out from the power board, steel strand wires and connecting plate fixed connection, the link is installed at elevator car top, the steel strand wires drive the connecting plate and move in the elevartor shaft under elevator motor's drive, when connecting plate butt link, connect link and connecting plate through the bolt, elevator motor drags steel strand wires, make elevator car position keep unchangeable in the elevator well, this application has the effect that prevents that the elevator from taking place the anxious weight when urgent maintenance.
Description
Technical Field
The application relates to the technical field of elevator maintenance, in particular to a standby power system for elevator maintenance.
Background
An elevator is a transportation device serving a plurality of specific floors in a building, and can be classified into a traction type elevator, a forced type elevator, and the like according to a driving method. The traction type elevator consists of a traction rope, a traction machine, a lift car and a counterweight, wherein two ends of the traction rope are respectively connected with the lift car and the counterweight, the traction rope is wound on a traction sheave of the traction machine, the traction machine drives the traction sheave to rotate so as to drive the traction rope to realize the lifting motion of the lift car and the counterweight to achieve the purpose of transportation, and a brake pad is arranged on the traction machine and used for braking the traction sheave of the traction machine.
When the brake block of the traction machine locks the main shaft of the traction wheel of the traction machine in the braking process and the traction wheel cannot rotate, the elevator can be suddenly stopped, and emergency maintenance needs to be carried out on the elevator at the moment in order to guarantee the safety of personnel in the elevator car. In order to prevent the elevator from falling down suddenly, safety tongs are used to be matched with a brake pad locking a traction wheel of the traction machine, the traction wheel of the traction machine is locked, and then emergency maintenance treatment is carried out on the elevator.
However, since the gravity load of the elevator car is large, if the rest of the standby power system is not additionally installed in the elevator shaft, once the brake pad is loosened during emergency maintenance, the traction sheave is difficult to lock only by the safety lock, and the elevator is suddenly dropped.
Disclosure of Invention
In order to prevent that the elevator from taking place promptly when urgent maintenance and weighing down, this application provides a reserve driving system is used in elevator maintenance.
The application provides a reserve power system for elevator maintenance adopts following technical scheme:
the utility model provides an elevator maintenance is with reserve driving system, the mounting bracket comprises a mounting bracket, the power board, connecting plate and drive mechanism, the mounting bracket is fixed in on the elevartor shaft roof, the power board is installed on the mounting bracket, drive mechanism installs on the power board, drive mechanism includes elevator motor and steel strand wires, elevator motor axis of rotation terminal surface is fixed with the rolling disc, the steel strand wires are installed on elevator motor's rolling disc and are worn out from the power board, steel strand wires and connecting plate fixed connection, the link is installed at elevator car top, the steel strand wires drive the connecting plate and move in the elevartor shaft under elevator motor's drive, when connecting plate butt link, connect link and connecting plate through the bolt, elevator motor pulls the steel strand wires, make elevator car position keep unchangeable in the elevator shaft.
Through adopting above-mentioned technical scheme, when elevator scram needs urgent maintenance, the last elevator motor drive of power board rotates the wheel to emit the steel strand wires, the steel strand wires drive the connecting plate and descend, when connecting plate butt link, connect the link with the connecting plate of installing on elevator car through the bolt, elevator motor draws and draws the steel strand wires, make elevator car position in the elevator shaft keep unchangeable, prevented that the elevator from taking place the emergency drop when urgent maintenance, ensured elevator car interior personnel and maintenance personal's safety.
Optionally, the power plate and the connecting plate are both provided with U-shaped grooves, projections of the U-shaped grooves in the vertical direction are overlapped, and the hoisting rope of the elevator car passes through the inside of the U-shaped groove.
Through adopting above-mentioned technical scheme, because all set up U type groove on power board and the connecting plate for the haulage rope of connecting elevator car passes through by U type inslot, can not receive the collision of connecting plate when going up and down, has reduced the urgent risk that weighs down of elevator.
Optionally, the traction mechanisms are respectively arranged at four corners of the power plate.
Through adopting above-mentioned technical scheme, the four corners department of power plate all sets up drive mechanism for the connecting plate can steadily go up and down in the elevator shaft, has reduced the connecting plate and has touched the extrusion towline at the lift in-process, leads to the not hard up risk that makes the elevator weigh suddenly of brake block.
Optionally, set up in the power board and place the cavity, place the cavity internal rotation and be connected with the wire winding wheel, wire winding wheel axis of rotation perpendicular to power board, the steel strand wires coils on the wire winding wheel, and installs on elevator motor's rolling disc after one end wears out the power board.
Through adopting above-mentioned technical scheme, the wire wheel rotates in placing the cavity, and the steel strand wires coils on the wire wheel for can place the steel strand wires of different length according to the degree of depth of elevartor shaft, make the connecting plate can be connected at the elevator car of different floors with scram under the drive of steel strand wires.
Optionally, the positioning claws are symmetrically arranged on the connecting plate, the positioning claws rotate on the side wall of the connecting plate, the rotating motor is arranged in the connecting plate, the rotating motor corresponds to the positioning claws, and when the connecting plate is abutted to the connecting frame, the rotating motor drives the positioning claws to rotate and is clamped and embedded on the connecting frame.
Through adopting above-mentioned technical scheme, when connecting plate and link butt, rotate motor drive positioning pawl and rotate and inlay card on the link for the connecting plate passes through bolted connection with the link before, scram's elevator car can obtain preliminary location in the elevator shaft, has reduced the connecting plate and before passing through bolted connection with the link, elevator tenesmus' risk.
Optionally, the connecting plate is provided with a positioning groove, the connecting frame is provided with a positioning hole, and when the connecting plate abuts against the connecting frame, the bolt penetrates through the positioning groove and then is in bolt connection with the positioning hole.
Through adopting above-mentioned technical scheme, the setting of constant head tank and locating hole for the bolt is changeed in the installation.
Optionally, a dismounting groove is formed in the mounting frame, the dismounting groove is symmetrically arranged, and the power plate is slidably clamped in the dismounting groove.
Through adopting above-mentioned technical scheme, the power board slide card inlay in the dismouting inslot for the power board can dismantle the replacement on the mounting bracket, and the follow-up maintenance replacement work of the power board and the connecting plate of being convenient for goes on.
Optionally, the power plate is further provided with a guide groove, the guide groove is communicated with the dismounting groove, the power plate is provided with a sliding wheel, and when the power plate is slidably inserted into the dismounting groove, the sliding wheel is slidably inserted into the corresponding guide groove.
Through adopting above-mentioned technical scheme, inlay in the dismouting inslot as the power board slide card, the movable pulley slide card inlays in the guiding groove that corresponds for the power board is changeed in installing and/or dismantlement at the mount frame.
Optionally, a reserve power supply for providing power for the standby power system for elevator maintenance when power is cut off is installed on the power plate.
Optionally, the surface of the steel strand is coated with an anti-rust layer.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the elevator is emergently stopped and needs emergency maintenance, the lifting motor on the power plate drives the rotating wheel to rotate and emit steel strands, the steel strands drive the connecting plate to descend, when the connecting plate is abutted against the connecting frame, the connecting plate is connected with the connecting frame arranged on the elevator car through bolts, and the lifting motor pulls the steel strands, so that the position of the elevator car in the elevator shaft is kept unchanged, emergency falling of the elevator in emergency maintenance is prevented, personnel in the elevator car are guaranteed, and meanwhile, the maintenance personnel can descend above the elevator car along with the connecting plate to perform maintenance operation;
2. because the power plate and the connecting plate are both provided with the U-shaped grooves, the hoisting rope connected with the elevator car passes through the U-shaped grooves, and the hoisting rope cannot be collided by the connecting plate when the elevator car is lifted, so that the risk of sudden falling of the elevator is reduced;
3. when the connecting plate is abutted against the connecting frame, the rotating motor drives the positioning claw to rotate and be clamped and embedded on the connecting frame, so that the elevator car which is suddenly stopped can be preliminarily positioned in the elevator shaft before the connecting plate is connected with the connecting frame through the bolt, and the risk of sudden falling of the elevator before the connecting plate is connected with the connecting frame through the bolt is reduced;
4. the elevator traction machine is used for driving the rotating wheel to rotate and driving the steel strand to contract or transfer, when the steel strand contracts or transfers, the elevator traction machine loosens the traction rope, so that the traction rope can synchronously move along with the steel strand, and at the moment, the elevator car can emergently lift in the elevator shaft under the dragging of the steel strand.
5. The power plate sliding clamp is embedded in the dismounting groove, so that the power plate can be dismounted and replaced on the mounting frame, and the subsequent overhaul and replacement work of the power plate and the connecting plate is facilitated.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a top cross-sectional view of the power plate being highlighted;
FIG. 3 is a top sectional view of the raised web;
FIG. 4 is a top view of the connector bracket shown in relief.
In the figure, 1, a mounting frame; 11. disassembling and assembling the groove; 12. a guide groove; 2. a power plate; 21. placing a chamber; 22. a wire winding wheel; 23. a wire guide groove; 24. a sliding wheel; 25. storing a power supply; 3. a traction mechanism; 31. a lifting motor; 311. rotating the disc; 32. steel strand wires; 4. a connecting plate; 41. a positioning claw; 42. rotating the motor; 43. positioning a groove; 5. a connecting frame; 51. positioning holes; 6. a U-shaped groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses elevator maintenance is with reserve driving system.
Referring to fig. 1, a standby power system for elevator maintenance comprises a mounting frame 1, a power plate 2, a traction mechanism 3, a connecting plate 4 and a connecting frame 5, wherein the mounting frame 1 is fixed below a top plate of an elevator shaft and is located below an elevator traction machine, the power plate 2 is installed on the mounting frame 1, the traction mechanism 3 is installed on the power plate 2, the connecting plate 4 is located below the power plate 2 and is driven by the traction mechanism 3 to ascend and descend in the elevator shaft, the connecting frame 5 is installed on an elevator car, and a traction rope on the traction machine passes through the power plate 2 and the connecting plate 4 and is connected with the top of the elevator car in the connecting frame 5. When the connecting plate 4 is driven along with the traction mechanism 3 and is abutted against the connecting frame 5, the connecting plate 4 is connected with the connecting frame 5 through a bolt, and the traction mechanism 3 pulls the connecting plate 4, so that the position of the elevator car in the elevator shaft is kept unchanged.
Referring to fig. 1 and 2, the mounting bracket 1 is composed of two symmetrical bracket bodies, the side wall of each mounting bracket 1 opposite to the side wall is provided with a dismounting groove 11, and the dismounting grooves 11 are arranged along the length direction of the side wall. A guide groove 12 is formed in the vertical groove wall of each assembling and disassembling groove 11, and the guide groove 12 is arranged along the length direction of the side wall where the guide groove is located. Sliding wheels 24 are arranged on two sides of the power plate 2, and the rotating shaft direction of the sliding wheels 24 is arranged along the vertical groove wall of the vertical guide groove 12. The power plate 2 is slidably inserted in the symmetrical dismounting and mounting grooves 11, when the power plate 2 is mounted on the mounting frame 1, the sliding wheel 24 is slidably inserted in the guide groove 12, so that the power plate 2 can be dismounted and replaced on the mounting frame 1, the subsequent overhaul and replacement work of the power plate 2 and the connecting plate 4 is facilitated, and meanwhile, the sliding wheel 24 and the guide groove 12 are arranged, so that the power plate 2 is easier to mount and/or dismount on the mounting frame 1. After the power plate 2 is slidably mounted on the mounting frame 1, the power plate 2 is connected with the mounting frame 1 through a bolt.
Referring to fig. 1, the traction mechanisms 3 are installed on the side wall of the power plate 2 close to the traction machine and located at four corners of the side wall, the traction mechanisms 3 close to the same mounting frame 1 are in a group, and the traction mechanisms 3 in each group are symmetrically arranged. The traction mechanism 3 comprises a lifting motor 31 and a steel strand 32, the rotating shafts of the lifting motor 31 and the rotating shaft of the sliding wheel 24 are all arranged in the same direction, a rotating disc 311 is fixed on the end face of the rotating shaft of each lifting motor 31, and the disc surfaces of the rotating discs 311 in the traction mechanisms 3 are arranged oppositely.
Referring to fig. 1 and 2, a wire groove 23 is formed in a side wall of the power plate 2 close to the traction machine, the wire groove 23 penetrates through the power plate 2, and the wire grooves 23 correspond to the rotary discs 311 one to one and are located below the corresponding rotary discs 311. Set up the several in the power board 2 and place cavity 21, only show 4 in this embodiment and place cavity 21 as the signal, the position and the drive mechanism 3 one-to-one of placing cavity 21, it is connected with wire winding wheel 22 to place the rotation in cavity 21, wire winding wheel 22's axis of rotation perpendicular to power board 2 sets up, steel strand wires 32 coils on wire winding wheel 22, install on the rolling disc 311 that corresponds after 2 back of power board are worn out to steel strand wires 32 one end, and wear out power board 2 and with the 4 lateral wall fixed connections of connecting plate of 2 below of power board by wire casing 23, scribble on the steel strand wires 32 and be equipped with the antirust coat that is used for preventing steel strand wires 32 corrosion, the antirust coat in this embodiment can be the antirust oil layer.
Referring to fig. 1 and 3, the connecting plate 4 is provided with slots on two vertical side walls close to the mounting rack 1, and the slots are located at two ends of the side wall in the length direction. The connecting plate 4 is provided with a plurality of positioning pawls 41 and a plurality of rotating motors 42, and only 4 positioning pawls 41 and 4 rotating motors 42 are shown in this embodiment as an illustration. Positioning pawl 41 and the fluting one-to-one on the connecting plate 4, positioning pawl 41 are C type fastener, and the C type fluting of positioning pawl 41 all sets up towards connecting plate 4, and positioning pawl 41 one end rotates in the connecting plate 4 fluting that corresponds. The rotating motors 42 correspond to the positioning claws 41 one by one, the rotating motors 42 are embedded in the connecting plate 4, the rotating shafts of the rotating motors 42 penetrate through the connecting plate 4 and enter the corresponding slots, and the end faces of the rotating shafts of the rotating motors 42 are fixedly connected with the end part side walls of the adjacent positioning claws 41.
Referring to fig. 1 and 4, the connecting frame 5 is a hollow frame structure, the connecting frame 5 is fixed in the center of the top side wall of the elevator car through a bolt, and the end of a hoisting rope fed by a traction machine on the elevator shaft passes through the connecting frame 5 and is fixedly connected with the elevator car. The part that the link 5 kept away from ground outwards extends along circumference, when connecting plate 4 and link 5 butt, rotates motor 42 drive positioning pawl 41 and rotates and inlay card on the extension position of link 5 for connecting plate 4 is before passing through bolted connection with link 5, and the elevator car of scram can obtain preliminary location in the elevator shaft.
Referring to fig. 3 and 4, a positioning groove 43 is formed in the side wall of the connecting plate 4 close to the traction machine, and the positioning groove 43 is arranged along the length direction of the adjacent edge of the connecting plate 4 and penetrates through the connecting plate 4. The extension part of the connecting frame 5 is provided with a plurality of rows of positioning holes 51 near the adjacent edges of the side wall of the traction machine, the positioning holes 51 correspond to the positioning grooves 43 one by one, when the connecting plate 4 is abutted against the connecting frame 5, and the rotating motor 42 drives the positioning claws 41 to be clamped and embedded in the extension part of the connecting frame 5, bolts pass through the positioning grooves 43 and are in bolt connection with the positioning holes 51.
Referring to fig. 2 and 3, the power plate 2 and the connecting plate 4 are both provided with a U-shaped groove 6, the projections of the U-shaped grooves 6 in the vertical direction coincide, a hoisting rope of the elevator car passes through the U-shaped groove 6, the opening of the U-shaped groove 6 is arranged in the direction away from the entrance of the elevator car, the hoisting rope connected with the elevator car passes through the U-shaped groove 6, the hoisting rope cannot be collided by the connecting plate 4 during lifting, and the risk of emergency falling of the elevator is reduced.
Referring to fig. 1, a reserve power supply 25 is installed on the power plate 2, the reserve power supply 25 is located on the side wall of the power plate 2 close to the traction machine, the reserve power supply 25 can be connected with an external power supply for charging, and the reserve power supply 25 provides power for the whole standby power system for elevator maintenance when power is off in a building.
The implementation principle of the standby power system for elevator maintenance in the embodiment of the application is as follows: when the elevator scram needs emergency maintenance, the lifting motor 31 on the power plate 2 drives the rotating wheel to rotate, the steel strand 32 is released, the steel strand 32 drives the connecting plate 4 to descend, when the connecting plate 4 abuts against the connecting frame 5, the rotating motor 42 drives the positioning claw 41 to be clamped and embedded in the extending part of the connecting frame 5, the connecting frame 5 and the connecting plate 4 installed on the elevator car are connected through the bolt, the lifting motor 31 pulls the steel strand 32, and the position of the elevator car in the elevator shaft is kept unchanged.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A reserve power system for elevator maintenance, characterized in that: including mounting bracket (1), power board (2), connecting plate (4) and drive mechanism (3), mounting bracket (1) is fixed in on the elevartor shaft roof, power board (2) are installed on mounting bracket (1), drive mechanism (3) are installed on power board (2), drive mechanism (3) include elevator motor (31) and steel strand wires (32), elevator motor (31) axis of rotation terminal surface is fixed with rolling disc (311), steel strand wires (32) are installed on rolling disc (311) and are worn out from power board (2), steel strand wires (32) with connecting plate (4) fixed connection, link (5) are installed at elevator car top, steel strand wires (32) drive under the drive of elevator motor (31) connecting plate (4) move in the elevator car, when connecting plate (4) butt the link (5), link (5) with connecting plate (4) pass through bolted connection, elevator motor (31) draw steel strand wires (32) make elevator car keep the elevator car unchangeable position in the elevartor shaft.
2. The backup power system for elevator maintenance according to claim 1, characterized in that: u-shaped grooves (6) are formed in the power plate (2) and the connecting plate (4), the projections of the U-shaped grooves (6) in the vertical direction are overlapped, and a hoisting rope of an elevator car passes through the U-shaped grooves (6).
3. The backup power system for elevator maintenance according to claim 2, characterized in that: the traction mechanisms (3) are respectively arranged at the four corners of the power plate (2).
4. The backup power system for elevator maintenance according to claim 3, wherein: set up in power plate (2) and place cavity (21), it is connected with wire coil wheel (22) to place cavity (21) internal rotation, wire coil wheel (22) axis of rotation perpendicular to power plate (2), steel strand wires (32) coil on wire coil wheel (22), and install after one end wears out power plate (2) on rolling disc (311) of elevator motor (31).
5. The backup power system for elevator maintenance according to claim 1, wherein: locating pawl (41) are installed to the symmetry on connecting plate (4), locating pawl (41) rotate in connecting plate (4) face on the limit lateral wall, install in connecting plate (4) and rotate motor (42), rotate motor (42) with locating pawl (41) correspond, work as connecting plate (4) with link (5) butt, rotate motor (42) drive locating pawl (41) rotate and inlay card and be in on link (5).
6. The backup power system for elevator maintenance according to claim 5, wherein: the connecting plate is characterized in that the connecting plate (4) is provided with a positioning groove (43), the connecting frame (5) is provided with a positioning hole (51), and when the connecting plate (4) is abutted to the connecting frame (5), a bolt penetrates through the positioning groove (43) and then is in bolt connection with the positioning hole (51).
7. The backup power system for elevator maintenance according to claim 1, characterized in that: the power plate is characterized in that a dismounting groove (11) is formed in the mounting rack (1), the dismounting groove (11) is symmetrically arranged, and the power plate (2) is slidably clamped in the dismounting groove (11).
8. The backup power system for elevator maintenance according to claim 7, wherein: still set up guiding groove (12) on power board (2), guiding groove (12) with dismouting groove (11) intercommunication, install movable pulley (24) on power board (2), work as power board (2) slip card inlay in dismouting groove (11), movable pulley (24) slip card inlays in the guiding groove (12) that correspond.
9. The backup power system for elevator maintenance according to claim 8, wherein: and a reserve power supply (25) for providing power for a standby power system for elevator maintenance in case of power failure is arranged on the power plate (2).
10. The backup power system for elevator maintenance according to claim 1, wherein: and an anti-rust layer is coated on the surface of the steel strand (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211042276.7A CN115339979B (en) | 2022-08-29 | 2022-08-29 | Standby power system for elevator maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211042276.7A CN115339979B (en) | 2022-08-29 | 2022-08-29 | Standby power system for elevator maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115339979A true CN115339979A (en) | 2022-11-15 |
| CN115339979B CN115339979B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211042276.7A Active CN115339979B (en) | 2022-08-29 | 2022-08-29 | Standby power system for elevator maintenance |
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| CN (1) | CN115339979B (en) |
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